Waldron, Christopher, Anastasaki, Athina, McHale, Ronan, Wilson, Paul, Li, Zaidong, Smith, Tim and Haddleton, David M. (2014) Copper-mediated living radical polymerization (SET-LRP) of lipophilic monomers from multi-functional initiators : reducing star–star coupling at high molecular weights and high monomer conversions. Polymer Chemistry, Volume 5 (Number 3). pp. 892-898. doi:10.1039/c3py01241g ISSN 1759-9954.

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Abstract

The SET-LRP of lipophilic monomers (n-butyl and lauryl acrylate) from a lactose based octa-functional initiator is described. A range of highly defined lipophilic poly(acrylate) stars are prepared to relatively high molecular weights (Mn,target > 100 000 g mol−1 in some cases) and high monomer conversions (≥99%) with excellent control retained over molecular weight distributions (PDI values as low as 1.03). Phase separation of star polymers from the reaction media during polymerization is seen to occur which is advantageous in reducing star–star coupling in certain cases, without limiting the attainment of near quantitative conversions. A comparison is made between heterogeneous and homogeneous polymerization protocols to illustrate this finding.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Science > Chemistry
Journal or Publication Title:	Polymer Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1759-9954
Official Date:	7 February 2014
Dates:	Date Event 7 February 2014 Published 1 October 2013 Available 27 September 2013 Accepted 6 September 2013 Submitted
Volume:	Volume 5
Number:	Number 3
Page Range:	pp. 892-898
DOI:	10.1039/c3py01241g
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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